CN208336991U - A kind of integrated special-purpose combined type transformer - Google Patents

Abstract

The utility model discloses a kind of integrated special-purpose combined type transformers, especially used in integrated photovoltaic Inverter Station, including oil-immersed transformer, instrument bus-bar chamber, radiator, fuse load switch box and hyperbaric chamber；The instrument bus-bar chamber, radiator, fuse load switch box and hyperbaric chamber are separately positioned on oil-immersed transformer surrounding；The inverter room of the above integrated special-purpose combined type transformer and integrated photovoltaic Inverter Station can realize seamless interfacing.The integrated special-purpose combined type transformer of the utility model solves the technical problems such as the waterproof of first and second electrical connection and shell connection in integrated photovoltaic Inverter Station between transformer and inverter.

Description

A kind of integrated special-purpose combined type transformer

Technical field

The utility model relates to the power equipments such as preassembled transformer station, integrated photovoltaic Inverter Station, are widely used in the new energy of photovoltaic Source domain more particularly to a kind of integrated special-purpose combined type transformer of integrated photovoltaic Inverter Station.

Background technique

Major part photovoltaic power generation field uses case change+inversion room scheme at present, takes up a large area, transports inconvenient, in-site installation It debugs cumbersome, since construction condition is simple and crude, brings very big difficulty to installation, while is also time-consuming and extend construction period. It is combined to solve the above problems, needing to become in case with the reformation of inversion room, develops integrated photovoltaic Inverter Station.Integrated special-purpose combined type Transformer is as integrated photovoltaic Inverter Station capital equipment, and form is outdoor type, and indoor type inverter is necessarily mounted at case room It is interior, there is first and second electrical connection between transformer and inverter, which is to guarantee that electrical insulation properties must be resolved Interface waterproof problem develops a kind of integrated special-purpose combined type transformer in face of above problem our company.

Utility model content

The purpose of this utility model is to provide a kind of integrated special-purpose combined type transformers, are used for mating integrated photovoltaic inversion It stands, solves the waterproof etc. of first and second electrical connection and shell connection between transformer and inverter in integrated photovoltaic Inverter Station Technical problem.

To achieve the goals above, the utility model provides a kind of integrated special-purpose combined type transformer,

Including oil-immersed transformer, instrument bus-bar chamber, radiator, fuse load switch box and hyperbaric chamber；The instrument Bus-bar chamber and fuse load switch box are connect with the left and right sides of oil tank for oil immersion type transformer respectively, radiator and hyperbaric chamber difference The front and back side of oil tank for oil immersion type transformer is set；The instrument bus-bar chamber is equipped with instrument box and bus-bar chamber, in the instrument box Portion installs first and second connection terminal, and the bus-bar chamber is by inducer for line outlet end of transformer and is connected to the bus of inverter, and is enclosed in mother Inside line case；The fuse load switch box is divided into fuse box and load switch box；The hyperbaric chamber be provided with arrester, Bushing, electrification display sensor, high pressure confluence busbar.

Further, the oil-immersed transformer uses S13 type high energy efficiency transformer.

Further, the instrument bus-bar chamber equipped with can opening-door plate, door-plate be equipped with transparent windows and door lock.

Further, the instrument bus-bar chamber back side is welded with docking and fastens interior stud.

Further, pressure gauge, oil level indicator, the oil temperature gauge of monitoring transformer state, the pressure are equipped in the instrument box The signal of power meter, oil level indicator or oil temperature gauge is connected to instrument box inner terminal row.

Further, the radiator is gilled radiator, is welded as a whole with oil-immersed transformer.

Further, the hyperbaric chamber is docked with oil tank for oil immersion type transformer high-pressure side.

Further, the hyperbaric chamber is equipped with inside and outside door-plate, and electromagnetic lock and observation window are housed on internal hilar plate, filled in external door panel There is the hidden pull rod door lock that can carry additionally lock.

Further, the inverter room of the integrated special-purpose combined type transformer and integrated photovoltaic Inverter Station can be realized seamless Docking.

Further, the oil-immersed transformer uses high energy efficiency transformer, low good economy performance is lost, hermetic oil tank makes Obtaining transformer can be adapted for a variety of extreme environments.

Further, the instrument bus-bar chamber is equipped with instrument box and bus-bar chamber；Monitoring transformer shape is integrated in instrument box All kinds of instrument of state, while the secondary contact for uploading transformer state being provided；Bus-bar chamber meets transformer low voltage leading-out terminal to inverse The bus for becoming device connects requirement of shelter.

Further, the radiator is the preferable gilled radiator of heat dissipation effect, is welded as one with oil-immersed transformer Body substitutes the radiator of flanged joint, greatly reduces the probability of oil-immersed transformer oil leak, while radiator is taken up space Small, good heat dissipation effect.

Further, the fuse load switch box is divided into fuse box and load switch box；Branch mailbox designs greatly Improve the safety of operator avoids fusible core in fuse from projecting wound suddenly when protection operator's operational load switchs Victimization body.

Further, the hyperbaric chamber is provided with arrester, bushing, electrification display sensor, high pressure confluence busbar Deng the requirement for meeting high pressure lightning protection, charging protection, the connection of high-tension cable looped network.

The effect of the utility model: using integrated special-purpose combined type transformer, the transformation of integrated photovoltaic Inverter Station is solved The technical problems such as waterproof of first and second electrical connection and shell connection between device and inverter.The integrated special-purpose combined type becomes The inverter room of depressor and integrated photovoltaic Inverter Station can realize seamless interfacing.

Detailed description of the invention

Fig. 1 is a kind of integrated special-purpose combined type transformer device structure schematic diagram of the utility model；

Fig. 2 is the instrument bus-bar chamber structural schematic diagram of the utility model；

Fig. 3 is the fuse load switch box and hyperbaric chamber structural schematic diagram of the utility model；

Fig. 4 docks schematic diagram with integrated photovoltaic Inverter Station inverter room for the utility model.

Specific embodiment

Integrated special-purpose combined type transformer a kind of to the utility model is further described with reference to the accompanying drawing: the example is only For illustrating the utility model rather than limitation the scope of the utility model, those skilled in the art are to each of the utility model The modification of kind equivalent form belongs to the application range as defined in the appended claims.

As shown in Figure 1, the utility model provides a kind of integrated special-purpose combined type transformer, including oil-immersed transformer, instrument Table bus-bar chamber, radiator, fuse load switch box and hyperbaric chamber.The instrument bus-bar chamber and fuse load switch box difference It is connect with the left and right sides of oil tank for oil immersion type transformer, radiator and hyperbaric chamber are separately positioned on the front and back of oil tank for oil immersion type transformer Side.

Its fuel tank of the oil-immersed transformer is welded using steel plate bending, and transformer body, which is mounted in, is full of transformer oil Fuel tank in, top be equipped with case lid.Low good economy performance is lost in it, and it is a variety of extreme that hermetic oil tank can be adapted for transformer Environment.

As shown in Fig. 2, the instrument bus-bar chamber is equipped with instrument box and bus-bar chamber, first and second connecting pin is installed inside it Son, instrument bus-bar chamber equipped with can opening-door plate, door-plate is equipped with transparent windows and door lock, is welded with pair at the instrument bus-bar chamber back side It connects and fastens interior stud.

The radiator is the preferable gilled radiator of heat dissipation effect, is welded by steel plate compacting, is directly welded in institute It states on oil tank for oil immersion type transformer wall, is welded as a whole with oil-immersed transformer, substitute the radiator of flanged joint, greatly drop The low probability of oil-immersed transformer oil leak, while radiator takes up space small, good heat dissipation effect.

As shown in figure 3, the fuse load switch box is provided separately fuse box and load switch box, outside has respectively Openable independent door-plate is equipped with outdoor type door lock on door-plate；Branch mailbox designs the safety for greatly improving operator, protects When protecting operator's operational load switch, fusible core in fuse is avoided to project the injury person suddenly.

The hyperbaric chamber is docked after being welded by steel plate bending with oil tank for oil immersion type transformer high-pressure side, and inner-outer door is equipped with Plate, is equipped with electromagnetic lock and observation window on internal hilar plate, equipped with the hidden pull rod door lock that can carry additionally lock in external door panel；The hyperbaric chamber It is provided with arrester, bushing, electrification display sensor, high pressure confluence busbar etc., meets high pressure lightning protection, electrification is protected, high The requirement of voltage cable looped network connection.

As shown in figure 4, when the integrated special-purpose combined type transformer is docked with integrated photovoltaic Inverter Station inverter room, only The instrument bus-bar chamber side of integrated special-purpose combined type transformer need to be translated to corresponding waterproof in insertion inverter room partition wall Interface.Docking is welded with since the size of instrument bus-bar chamber and the size of the waterproof port are consistent, and on the instrument bus-bar chamber Interior stud is fastened, therefore by the surrounding of interior stud insertion waterproof port, fastens its corresponding connection bolt, can be completed integrated special With docking for transformer and inverter room.First and second electric connection part position of transformer is entered into inverter room simultaneously, makes transformer First and second connect progress disposed between inverter, and electric insulation is protected.

This practical integrated special-purpose combined type transformer is solved as the indispensable a part of integrated photovoltaic Inverter Station The technologies such as the waterproof of first and second electrical connection and shell connection in integrated photovoltaic Inverter Station between transformer and inverter Problem.

Claims (8)

1. a kind of integrated special-purpose combined type transformer, it is characterised in that: including oil-immersed transformer, instrument bus-bar chamber, radiator, Fuse load switch box and hyperbaric chamber；The instrument bus-bar chamber and fuse load switch box are oily with oil-immersed transformer respectively The left and right sides connection of case, radiator and hyperbaric chamber are separately positioned on the front and back side of oil tank for oil immersion type transformer；The instrument bus Case is equipped with instrument box and bus-bar chamber, installs first and second connection terminal inside the instrument box, and the bus-bar chamber is by transformer outlet The bus of inverter is held and be connected to, and is enclosed in inside bus-bar chamber；The fuse load switch box be divided into fuse box and Load switch box；The hyperbaric chamber is provided with arrester, bushing, electrification display sensor, high pressure confluence busbar.

2. combined transformer according to claim 1, it is characterised in that: the oil-immersed transformer is high using S13 type Efficiency transformer.

3. combined transformer according to claim 1, it is characterised in that: the instrument bus-bar chamber, which is equipped with, can open door Plate, door-plate are equipped with transparent windows and door lock.

4. combined transformer according to claim 1, it is characterised in that: it is tight that the instrument bus-bar chamber back side is welded with docking Admittedly with interior stud.

5. combined transformer according to claim 1, it is characterised in that: be equipped with monitoring transformer shape in the instrument box Pressure gauge, oil level indicator, the oil temperature gauge of state, the signal of the pressure gauge, oil level indicator or oil temperature gauge are connected to instrument box inner terminal row.

6. combined transformer according to claim 1, it is characterised in that: the radiator is gilled radiator, with Oil-immersed transformer is welded as a whole.

7. combined transformer according to claim 1, it is characterised in that: the hyperbaric chamber and oil tank for oil immersion type transformer High-pressure side docking.

8. combined transformer according to claim 1, it is characterised in that: the hyperbaric chamber is equipped with inside and outside door-plate, inside door Electromagnetic lock and observation window are housed on plate, the hidden pull rod door lock that can carry additionally lock is housed in external door panel.